EP1661846B1 - Actionneur - Google Patents

Actionneur Download PDF

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Publication number
EP1661846B1
EP1661846B1 EP05021472A EP05021472A EP1661846B1 EP 1661846 B1 EP1661846 B1 EP 1661846B1 EP 05021472 A EP05021472 A EP 05021472A EP 05021472 A EP05021472 A EP 05021472A EP 1661846 B1 EP1661846 B1 EP 1661846B1
Authority
EP
European Patent Office
Prior art keywords
spindle
adjusting device
swivel bearing
bearing bushes
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05021472A
Other languages
German (de)
English (en)
Other versions
EP1661846A3 (fr
EP1661846A2 (fr
Inventor
Jürgen Zimmermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1661846A2 publication Critical patent/EP1661846A2/fr
Publication of EP1661846A3 publication Critical patent/EP1661846A3/fr
Application granted granted Critical
Publication of EP1661846B1 publication Critical patent/EP1661846B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/18—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through worm gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2037—Actuator supports or means for fixing piston end, e.g. flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/209—Arrangements for driving the actuator using worm gears
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut

Definitions

  • the invention relates to an adjusting device for positioning a load with a spindle and a spindle nut arranged on the spindle, wherein either the spindle nut is rotatably mounted in a gear housing and axially immovable and by rotation of the spindle nut, the spindle for positioning the load is axially adjustable or the spindle rotatably and axially non-displaceably mounted in the gear housing and the spindle nut for adjusting the load is axially adjustable by rotation of the spindle.
  • Such adjusting devices are known and are also referred to as Spindelhubgetriebe, spindle nut gear or actuators. Such adjusting devices are used to position loads in the form of components or assemblies. For example, these adjusting devices are used in lifting tables, lifting blocks, height-adjustable stages, valves with motor-adjustable valve slides, motorized concrete formwork, etc.
  • spindle nut gear In addition to spindle nut transmissions, in which the support nut is rotatably mounted in a gear housing and adjusted during its rotation a non-rotatable spindle in the axial direction, and spindle nut gear are known in which the spindle is rotatably mounted in the gear housing and arranged by rotation of the spindle on your external thread and secured against rotation nut is adjusted in the axial direction of the spindle.
  • the load is further pivotally connected to the spindle (in the case of an axially adjustable spindle) or the spindle nut (in the case of an axially adjustable spindle nut).
  • a pivotable mounting of the adapter part connected to the transmission housing on the pivotable load and a pivotable mounting of the axially adjustable spindle or axially adjustable spindle nut to a stationary support member may be provided.
  • Disadvantages of this conventional solution are the relatively high additional costs for the adapter part to be connected to the transmission housing, via which the pivot bearing is produced.
  • the EP 1 096 175 A2 discloses a generic actuator in which is left open as the pivot pins are mounted in the transmission housing.
  • the object of the invention is to provide an improved adjusting device of the type mentioned, in which, compared to conventional adjusting devices, a cost saving in the realization of pivoting operations of loads is achieved. According to the invention, this is achieved by an adjusting device having the features of claim 1.
  • pivot bearing Due to the integration of the pivot bearing in the transmission housing, no additional adapter parts to be fastened to the transmission housing are required to form pivoting operations of loads, as a result of which a more cost-effective actuating device for pivoting operations is formed.
  • a spindle nut 2 is rotatably supported and axially immovable in the gear housing 1 via Achsiallager 3, 4.
  • the spindle nut 2 is arranged with its internal thread on the external thread of a spindle 5, which is axially adjustable by rotation of the spindle nut 2, ie in the direction of its longitudinal axis 6.
  • the external thread of the spindle 5 may be formed, for example in the form of a trapezoidal thread.
  • this has an external toothing 7, which is in engagement with the toothing of a drive wheel 8.
  • the outer toothing 7 may be formed, for example, as a worm toothing and the drive wheel 8 as a worm.
  • the drive wheel 8 is driven via a drive shaft 9, which protrudes in the embodiment shown on opposite sides of the housing 10, 11 of the gear housing 1 from this.
  • the rotatable mounting of the drive wheel 8 can be done for example by a rotatable mounting of the drive shaft 9 arranged on both sides of the drive wheel 8 radial bearings, which are not shown in the figures.
  • the spindle 5 protrudes in the region of upper and lower housing sides 12, 13 out of the transmission housing 1.
  • a lubricant can be introduced after unscrewing a screw plug 15.
  • a lubricant can be introduced through the lubricating nipple 16 and the lubrication hole 17 also (equal or different) lubricant can be introduced.
  • the protruding from the gear housing 1 section of the spindle 5, at the end of which the load to be adjusted is attached, may be surrounded by a corrugated or bellows 18, the in Fig. 6 only shown in broken lines.
  • the transmission housing 1 comprises a housing base part 19 and a housing cover 20 screwed to the housing base part, through which the spindle 5 is led out of the transmission housing 1 on a housing side 12.
  • bushes 21, 22 are pressed.
  • the sockets 21, 22 are spaced from the external thread of the spindle 5 by a gap. If a lateral load on the spindle 5 acts, so that it is pressed against the inner wall of the sleeve 21 and 22, the sleeve 21, 22 also serves for radial guidance of the spindle 5.
  • the socket 21, 22 consists of a correspondingly lubricious material, preferably bronze.
  • the housing base part 19 is formed as a metal casting.
  • On opposite sides of the housing 23, 24 are blind holes 25, 26 arranged in the housing base part 19, in which piece-shaped pivot bearing bushings ( sliding bushes) 27, 28 are pressed.
  • the pivot bearing bushings 27, 28 serve to receive pivot pins in order to pivotably mount the gear housing 1 in order to form a pivot drive.
  • the pivot bearing bushings 27, 28 may be formed, for example, in the form of bronze-coated steel bushes.
  • the axes 29 of the pivot bearing bushings 27, 28 are aligned with each other and are perpendicular to the longitudinal axis 6 of the spindle.
  • the axes 29 of the pivot bearing bushings 27, 28 further perpendicular to the drive shaft 9, wherein the housing sides 23, 24, in which the blind holes 25, 26 are arranged with the pivot bearing bushings 27, 28, perpendicular to the housing sides 10, 11, which are penetrated by the drive shaft 9.
  • the axes 29 of the pivot bearing bushes 27, 28 are less than half, preferably less than two-fifths, of the height h of the gear housing 1 measured from the load-side edge 30, 31 of the respective housing side 23 in the axial direction of the spindle 5. 24, where they are located, are removed. The deflection of the spindle 5 by the load acting on it is thereby kept as low as possible.
  • the blind holes 25, 26 are formed during casting of the housing base portion 19 and subsequently drilled to the exact desired diameter. As a result, the pivot bushings 27, 28 are pressed.
  • FIG Fig. 7 An embodiment of a possible application of an adjusting device according to this embodiment is shown in FIG Fig. 7 shown.
  • a load 32 is mounted pivotably about a pivot axis 33 on a stationary part 34.
  • bearing plates 35 are mounted, which pivot pin 36 (see. Fig. 8 ) exhibit.
  • the pivot pins 36 protrude into the on the opposite sides of the housing 23, 24 in the blind holes 25, 26 pressed pivot bearing bushings 27, 28, whereby the gear housing 1 about the axis 29 of the pivot bushings 27, 28 is pivotally mounted.
  • a bearing plate 37 is mounted, which has a bore which is penetrated by a pin 38 which projects through holes in a fork 39 and is secured by a split pin 40.
  • the fork 39 is attached to the end of the spindle 5. In this way, the load 32 is pivotally connected to the spindle 5.
  • a block (not visible in FIG Fig. 7 ), which is slidably mounted in the square tube 41 but non-rotatably relative to this, to form a rotation for the spindle 5.
  • the rotation of the spindle 5 can also be formed by the attachment to the load 32.
  • With the projecting into the square tube 41 section of the spindle 25 further limit switches 42, 43 cooperate, which limit the pivot angle for the load 32.
  • the drive shaft 9 is driven by a drive motor, not shown, whereby the spindle nut 2 is rotated by the drive wheel 8 and the spindle 5 is moved axially.
  • the gear housing 1 pivots about the axis 29 of the pivot bearing bushing 27, 28. Furthermore, the load 32 pivots relative to the spindle 5 about the bolt 38th
  • the housing base part 19 could also be made in several parts from a plurality of interconnected metal castings.
  • the screw-on housing cover 20 could also be omitted in this case.
  • a plurality of screw-on housing cover could be provided.
  • a spindle nut 2 is rotatably but axially non-displaceably mounted in the gear housing to axially adjust the secured against rotation spindle.
  • the spindle could be rotatably mounted in the transmission housing and axially non-displaceable and by means of a drive wheel which is connected to a drive shaft, are rotated.
  • the spindle protrudes in such a training only on one side of the housing out of this.
  • the arranged on the external thread of the spindle spindle nut is adjusted during the rotation of the spindle in the axial direction of the spindle.
  • the spindle nut is hereby secured by its connection with the load to be adjusted against rotation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
  • General Details Of Gearings (AREA)

Claims (10)

  1. Actionneur pour positionner une charge (32) à l'aide d'une broche (5) et d'un écrou de broche (2) installé sur la broche (5), et
    soit l'écrou (2) est monté à rotation, de façon axialement bloquée, dans un boîtier de transmission (1) pour déplacer axialement la broche (5) afin de positionner la charge (32) par rotation de l'écrou (2),
    soit la broche (5) est bloquée en rotation et en coulissement axial dans le boîtier de transmission (1) et la rotation de la broche (5) déplace axialement l'écrou (2) pour positionner la charge (32),
    caractérisé en ce que
    sur deux faces opposées (23, 24) le boîtier de transmission (1) comporte des trous borgnes (25, 26) dans lesquels sont enfoncées des douilles de palier de pivotement (27, 28) pour recevoir des tourillons de pivotement (36).
  2. Actionneur selon la revendication 1,
    caractérisé en ce que
    le boîtier de transmission comporte une partie de base de boîtier (19) de préférence réalisée en une seule pièce, qui est une pièce de fonte de métal comportant les perçages borgnes (25, 26) avec les douilles de palier de pivotement (27, 28) enfoncées.
  3. Actionneur selon la revendication 1 ou la revendication 2,
    caractérisé en ce que
    les douilles de palier de pivotement (27, 28) sont des douilles en acier revêtu de bronze.
  4. Actionneur selon l'une des revendications 1 à 3,
    caractérisé en ce que
    les douilles de palier de pivotement (27, 28) sont réalisées sous la forme d'éléments tubulaires.
  5. Actionneur selon l'une des revendications 1 à 4,
    caractérisé en ce que
    les axes (29) des douilles de palier de pivotement (27, 28) sont perpendiculaires à l'axe longitudinal (6) de la broche (5).
  6. Actionneur selon l'une des revendications 1 à 5,
    caractérisé en ce que
    les axes (29) des douilles de palier de pivotement (27, 28) sont perpendiculaires à l'arbre d'entraînement (9) servant à entraîner l'actionneur.
  7. Actionneur selon l'une des revendications 1 à 6,
    caractérisé en ce que
    les côtés (23, 24) du boîtier munis des perçages borgnes (25, 26) avec les douilles de palier de pivotement (27, 28) enfoncées, sont perpendiculaires à au moins un côté (12, 13) du boîtier par lequel la broche (5) sort du boîtier de transmission (1).
  8. Actionneur selon l'une des revendications 1 à 7,
    caractérisé en ce que
    les parties de boîtier (23, 24) munies des perçages borgnes (25, 26) avec les douilles de palier enfoncées (27, 28) sont perpendiculaires à au moins un côté (10, 11) du boîtier traversé par l'arbre d'entraînement (9) pour l'entrainement de l'actionneur.
  9. Actionneur selon l'une des revendications 1 à 8,
    caractérisé en ce que
    les axes (29) des douilles de palier de pivotement (27, 28) logées dans les perçages borgnes (25, 26) sont alignés.
  10. Actionneur selon l'une des revendications 1 à 9,
    caractérisé en ce que
    les axes (29) des douilles de palier de pivotement (27, 28) logées dans les trous borgnes (25, 26) sont distants d'au moins la moitié et, de préférence, de moins de 2/5 de la hauteur (h) du boîtier de transmission (1), mesurée dans la direction axiale de la broche (5), par rapport au bord (30, 31) côté charge de la partie respective (23, 24) du boîtier qui comporte ces perçages borgnes.
EP05021472A 2004-11-17 2005-09-30 Actionneur Active EP1661846B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0083104U AT8083U1 (de) 2004-11-17 2004-11-17 Stelleinrichtung

Publications (3)

Publication Number Publication Date
EP1661846A2 EP1661846A2 (fr) 2006-05-31
EP1661846A3 EP1661846A3 (fr) 2007-05-09
EP1661846B1 true EP1661846B1 (fr) 2009-03-04

Family

ID=35406121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05021472A Active EP1661846B1 (fr) 2004-11-17 2005-09-30 Actionneur

Country Status (5)

Country Link
US (1) US20060101931A1 (fr)
EP (1) EP1661846B1 (fr)
AT (2) AT8083U1 (fr)
DE (1) DE502005006735D1 (fr)
ES (1) ES2323075T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013214733A1 (de) * 2013-07-29 2015-01-29 Robert Bosch Gmbh Linearantrieb

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT504322B1 (de) * 2006-05-30 2008-06-15 Juergen Zimmermann Stelleinrichtung zum positionieren einer last
DE102007059558A1 (de) * 2007-12-11 2009-06-18 Robert Bosch Gmbh Gewindespindel-Verstellantrieb
US20110061481A1 (en) * 2009-09-11 2011-03-17 Jurgen Zimmermann Positioning device for positioning a load
CN102042465A (zh) * 2009-10-22 2011-05-04 鸿富锦精密工业（深圳）有限公司 电子设备及其旋转装置
TWI385333B (zh) * 2009-12-21 2013-02-11 Hon Hai Prec Ind Co Ltd 電子設備及其旋轉裝置
IT1403522B1 (it) * 2011-01-12 2013-10-31 Servomech S P A Con Socio Unico Martinetto meccanico
DE102015204074B4 (de) * 2015-03-06 2016-12-15 Schaeffler Technologies AG & Co. KG Linearer Stellantrieb und Verfahren zur Montage eines Stellantriebs
CN113753785A (zh) * 2021-09-13 2021-12-07 陈超 一种汽车改装用辅助拆卸装备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE65139C (de) * O. HILLIG in Berlin N., Chausseestr. 39 Vorrichtung zum Anheben und ruckweisen Fortbewegen von Lasten
US3717042A (en) * 1970-06-29 1973-02-20 Textol Syst Inc Linear actuator with yoke actuated pitch control
US3798983A (en) * 1972-05-15 1974-03-26 W Smith Adaptable gear housing for linear actuator construction
AU1013383A (en) * 1981-12-18 1983-06-30 Fickler Hans Linear-antriebsvorrichtung mit zwei motoren
US5689995A (en) * 1996-02-01 1997-11-25 P. L. Porter Co. Actuator that adjusts to side loads automatically by pivoting internally
US5943919A (en) * 1996-06-12 1999-08-31 Thomson Saginaw Ball Screw Company Llc Ball screw actuators
DE19711773C2 (de) * 1997-03-21 1999-07-29 Hueller Hille Gmbh Teleskopvorschubeinheit
DE19859152C1 (de) * 1998-12-21 2000-07-13 Joern Gmbh Gelenklager, insbesondere Federaugenlager
JP2001124170A (ja) * 1999-10-27 2001-05-08 Alpha Getriebe Ltd リニアアクチュエータの支持点設置方式
US20020155957A1 (en) * 2001-02-14 2002-10-24 Danly, James C. Sintered anti-friction bearing surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013214733A1 (de) * 2013-07-29 2015-01-29 Robert Bosch Gmbh Linearantrieb

Also Published As

Publication number Publication date
ES2323075T3 (es) 2009-07-06
AT8083U1 (de) 2006-01-15
EP1661846A3 (fr) 2007-05-09
EP1661846A2 (fr) 2006-05-31
ATE424367T1 (de) 2009-03-15
US20060101931A1 (en) 2006-05-18
DE502005006735D1 (de) 2009-04-16

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